Finding the Third Proportional to 7,837,432 and 12,105,605

Step by Step Solution

1. Step 1: Write the proportion equation
   7,837,432 : 12,105,605 = 12,105,605 : x
2. Step 2: Convert to fraction form
   7,837,432/12,105,605 = 12,105,605/x
3. Step 3: Cross multiply
   7,837,432x = 12,105,605 × 12,105,605
4. Step 4: Simplify right side
   7,837,432x = 146,545,672,416,025
5. Step 5: Solve for x
   x = 146,545,672,416,025/7,837,432
6. Step 6: Final answer
   x = 18,698,174.66